package com.lin.utils;

public class StringUtils {
	/**
	 * 判断字符串是否为null
	 * @param bunth
	 * @return
	 */
	public static boolean isNull(String bunth){
		return null==bunth||"".equals(bunth)||bunth.trim().length()==0||bunth.matches("//s*");
	}
	/**
	 * 判断字符串不为null
	 * @return
	 */
	public static boolean isNotNull(String bunth){
		return  !isNull(bunth);
	}
}
